Chromosome 7 News and Research

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Humans normally have 46 chromosomes in each cell, divided into 23 pairs. Two copies of chromosome 7, one copy inherited from each parent, form one of the pairs. Chromosome 7 spans about 159 million DNA building blocks (base pairs) and represents more than 5 percent of the total DNA in cells.

Identifying genes on each chromosome is an active area of genetic research. Because researchers use different approaches to predict the number of genes on each chromosome, the estimated number of genes varies. Chromosome 7 likely contains about 1,150 genes.

Genes on chromosome 7 are among the estimated 20,000 to 25,000 total genes in the human genome.

New imaging technique helps pinpoint significant event that leads to age-related chromosomal errors

When egg cells form with an incorrect number of chromosomes--a problem that increases with age--the result is usually a miscarriage or a genetic disease such as Down syndrome.

2 Jul 2015

Latent CMV infection induces telomere shortening

The telomeres are repetitive DNA sequences at each end of our chromosomes. Studies show that in every cell division, the telomere is shortened. As a result, the telomere limits the cell to a fixed number of divisions and a limited life span. An essential part of human cells they affect how our cells age - as people with longer telomeres live longer lives. Surprisingly, people who are infected with a latent virus, that is, an asymptomatic virus, have shorter telomeres.

2 Jul 2015

New research links mutations in TEX11 gene to some cases of male infertility

In the most severe form of male infertility, men do not make any measurable levels of sperm. This condition, called azoospermia, affects approximately 1 percent of the male population and is responsible for about a sixth of cases of male infertility.

2 Jul 2015

Blue-eyed individuals may have greater chance of becoming alcoholics

People with blue eyes might have a greater chance of becoming alcoholics, according to a unique new study by genetic researchers at the University of Vermont.

1 Jul 2015

Kay E. Davies named recipient of ASHG's 2015 William Allan Award

The American Society of Human Genetics has named Kay E. Davies, DPhil, Dr. Lee's professor of anatomy, associate head of the medical sciences division; and director of the Medical Research Council Functional Genomics Unit in the department of physiology, anatomy and genetics at the University of Oxford, the 2015 recipient of the annual William Allan Award.

30 Jun 2015

Researchers discover gene locations affecting wrist bones in children

Pediatric researchers have discovered gene locations affecting bone strength in wrist bones, the most common site for fractures in children. Children who have those genetic variants may be at higher-than-average risk of wrist fractures, and could especially benefit from activities and diets that promote bone strength.

30 Jun 2015

Special protein in the brain's smallest blood vessels may affect stroke risk

Studies on mice reveal that a special protein in the brain's tiniest blood vessels may affect the risk of stroke. Peter Carlsson, professor in genetics at the University of Gothenburg, and his research team are publishing new research findings in the journal Developmental Cell about how the blood-brain barrier develops and what makes the capillaries in the brain different from small blood vessels in other organs.

26 Jun 2015

Study reveals differences in the way brain inflammation is expressed in people with Down syndrome, AD

Researchers at the University of Kentucky's Sanders-Brown Center on Aging have completed a study that revealed differences in the way brain inflammation -- considered a key component of AD-- is expressed in different subsets of patients, in particular people with Down syndrome (DS) and AD.

26 Jun 2015

Detroit-area patients contribute to national study that redefines diagnosis, treatment of glioma

Sixty-seven patients from the Hermelin Brain Tumor Center at Henry Ford Hospital and their families made important contributions to a national cancer study that proposes a change in how some brain tumors are classified - and ultimately treated.

25 Jun 2015

Melanoma patients with high levels of H2A.Z.2 protein less likely to survive

Melanoma patients with high levels of a protein that controls the expression of pro-growth genes are less likely to survive, according to a study led by researchers at Icahn School of Medicine at Mount Sinai and published online in the journal Molecular Cell.

18 Jun 2015

Simple test could help identify genetically inherited risk for prostate cancer

Men with an elevated, genetically inherited risk for prostate cancer could be routinely identified with a simple blood or urine test, scientists at UC San Francisco and Kaiser Permanente Northern California have concluded, potentially paving the way to better or earlier diagnosis.

18 Jun 2015

Molecular classifications of low-grade gliomas proposed

Two research teams have independently proposed molecular classification systems for grade II and III glioma based on three tumour markers, with each category displaying distinct clinical features and outcomes.

12 Jun 2015

Two fragile X proteins play crucial role in proper development of neurons

Fragile X syndrome is the most common inherited intellectual disability and the greatest single genetic contributor to autism. Unlocking the mechanisms behind fragile X could make important revelations about the brain.

11 Jun 2015

Study on how maternal proteins help regulate initial cell divisions during early development

Researchers in the University of Georgia's Regenerative Bioscience Center are visually capturing the first process of chromosome alignment and separation at the beginning of mouse development. The findings could lead to answers to questions concerning the mechanisms leading to birth defects and chromosome instability in cancer cells.

10 Jun 2015

Ibrutinib (IMBRUVICA) improves survival in treatment-naïve patients with chronic lymphocytic leukemia

Today, Pharmacyclics LLC, an AbbVie company, announced that ibrutinib (IMBRUVICA) improved progression-free survival (PFS; primary endpoint) and multiple secondary endpoints including overall survival (OS) and overall response rate (ORR) in treatment-naïve patients with chronic lymphocytic leukemia or small lymphocytic lymphoma (CLL/SLL, respectively) in the final analysis of the Phase III RESONATE™-2 (PCYC-1115) trial.

5 Jun 2015

Rhythm announces initiation of two setmelanotide Phase 2 trials for treatment of PWS, POMC-null obesity

Rhythm announced today the initiation of two Phase 2 clinical trials focused on evaluating the safety and effectiveness of setmelanotide (RM-493), the company's novel melanocortin 4 receptor (MC4R) agonist, for the treatment of Prader-Willi Syndrome (PWS) and POMC-null obesity.

4 Jun 2015

Liverpool scientists complete genomics studies on multidrug resistant Typhoid fever in Africa

The team has completed two genomics studies on the tropical disease, a condition that is estimated to cause up to 30 million illnesses and over a quarter of a million deaths globally each year.

27 May 2015

Mayo Clinic scientists create mouse model of ALS, FTD caused by mutations in C9ORF72 gene

Scientists at Mayo Clinic, Jacksonville, Florida created a novel mouse that exhibits the symptoms and neurodegeneration associated with the most common genetic forms of frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS, Lou Gehrig's disease), both of which are caused by a mutation in the a gene called C9ORF72.

24 May 2015

Researchers uncover mechanism behind common mutation that helps cancer cells replicate limitlessly

More than 500,000 people in the United States die each year of cancer-related causes. Now, emerging research has identified the mechanism behind one of the most common mutations that help cancer cells replicate limitlessly.

19 May 2015

Researchers discover how and where chromosome fragile sites occur in human DNA

Using a novel method they developed to map chromosome breaks in a model organism, the budding yeast, Wenyi Feng, Ph.D., of Upstate Medical University and her colleagues have discovered new information as to how and where chromosome fragile sites can occur in human DNA. These sites are frequently observed in cancer cells and are responsible for causing genomic rearrangements.

15 May 2015

Chromosome 7 News and Research

New imaging technique helps pinpoint significant event that leads to age-related chromosomal errors

Latent CMV infection induces telomere shortening

New research links mutations in TEX11 gene to some cases of male infertility

Blue-eyed individuals may have greater chance of becoming alcoholics

Kay E. Davies named recipient of ASHG's 2015 William Allan Award

Researchers discover gene locations affecting wrist bones in children

Special protein in the brain's smallest blood vessels may affect stroke risk

Study reveals differences in the way brain inflammation is expressed in people with Down syndrome, AD

Detroit-area patients contribute to national study that redefines diagnosis, treatment of glioma

Melanoma patients with high levels of H2A.Z.2 protein less likely to survive

Simple test could help identify genetically inherited risk for prostate cancer

Molecular classifications of low-grade gliomas proposed

Two fragile X proteins play crucial role in proper development of neurons

Study on how maternal proteins help regulate initial cell divisions during early development

Ibrutinib (IMBRUVICA) improves survival in treatment-naïve patients with chronic lymphocytic leukemia

Rhythm announces initiation of two setmelanotide Phase 2 trials for treatment of PWS, POMC-null obesity

Liverpool scientists complete genomics studies on multidrug resistant Typhoid fever in Africa

Mayo Clinic scientists create mouse model of ALS, FTD caused by mutations in C9ORF72 gene

Researchers uncover mechanism behind common mutation that helps cancer cells replicate limitlessly

Researchers discover how and where chromosome fragile sites occur in human DNA

Professor Nancy Ip: Pioneering New Paths in Neurodegenerative Therapy

Utilizing process Raman in optimizing cultivated meat production

Exploring the G:Box and for high-quality imaging

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